Some manufacturers make cool products, figuratively speaking. But, Imbera literally makes them. Founded in 1941 as Industrias Montiel, Imbera is the world's largest manufacturer of commercial refrigeration units for liquid, food and dairy products.

NEW HUDSON, MI—Henrob Group has opened a new 125,000-square-foot factory here to make self-piercing rivets.

Back in 1948, Spirol International Corp. introduced its first product: the coil pin.